Chattanooga shooting

Shootings in Chattanooga

Five people were killed at the scene -- four U.S. Marines and the gunman -- and three injured in an attack on a military recruiting center and another U.S. military site in Chattanooga, Tennessee on July 16, 2015. A fifth victim, a Navy Petty Officer died of his wounds on July 18.

Mohammod Youssuf Abdulazeez, who authorities say killed the servicemen, was a 24-year-old, Kuwait-born engineer who had not been on the radar of federal authorities until the bloodshed.

Here, U.S. Navy sailor Evan Montgomery and his wife, Ashley Montgomery, pay their respects July 18, 2015 at a makeshift memorial in front of the Armed Forces Career Center/National Guard Recruitment Office which had been shot up on July 16.

Credit: Joe Raedle/Getty Images

Shootings in Chattanooga

A photograph of four of the victims, U.S. Marines, killed at the scene on July 16, 2015 is seen at the memorial setup in front of the Armed Forces Career Center/National Guard Recruitment Office in Chattanooga, Tennessee, July 18.

A fifth victim, a Navy Petty Officer died of his wounds on July 18.

Credit: Joe Raedle/Getty Images

Shootings in Chattanooga

Chattanooga Police Sgt. Daniel Jones (R) leads a prayer on July 17, 2015 during an Interfaith Prayer Vigil at Olivet Baptist Church to honor four Marines killed in a shooting attack July 16 in Chattanooga, Tennessee.

A fifth victim, a Navy Petty Officer died of his wounds on July 18.

Credit: Joe Raedle/Getty Images

Shootings in Chattanooga

A message is seen at a memorial in front of the Armed Forces Career Center/National Guard Recruitment Office in Chattanooga, Tennessee, July 18, 2015.

Credit: Joe Raedle/Getty Images

Shootings in Chattanooga

Laurie Norman is overcome with emotion as she pays her respects to those killed while visiting a memorial placed in front of the Armed Forces Career Center/National Guard Recruitment Office which had been shot up in Chattanooga, Tennessee, July 17, 2015.

According to reports, Mohammod Youssuf Abdulazeez, 24, opened fire on the military recruiting station on July 16th at the strip mall and then drove to an operational support center operated by the U.S. Navy and killed four Marines there, more than seven miles away. A fifth victim, a Navy Petty Officer died of his wounds on July 18.

Credit: Joe Raedle/Getty Images

Shootings in Chattanooga

On July 18, 2015, people mourn the servicemen killed at a memorial in front of the Armed Forces Career Center/National Guard Recruitment Office which had been shot up on July 16 in Chattanooga, Tennessee.

Credit: Joe Raedle/Getty Images

Shootings in Chattanooga

People attend a vigil for the servicemen killed organized by the University of Tennessee Chattanooga - Student Veteran's Organization in Chattanooga, Tennessee, July 17, 2015.

Credit: Jason Davis/Getty Images

Shootings in Chattanooga

Members of the FBI Evidence Response Team continue to investigate the shooting at the Armed Forces Career Center/National Guard Recruitment Office in Chattanooga, Tennessee, July 18, 2015.

Credit: Joe Raedle/Getty Images

Shootings in Chattanooga

Glenna and Steve Mooneyham place flags and flowers beside a sign leading to the Navy Operational Support Center and Marine Corps Reserve Center Chattanooga in Chattanooga, Tennessee, July 16, 2015.

Credit: Tami Chappell/Reuters

Shootings in Chattanooga

Mourners places flags at a growing memorial in front of the Armed Forces Career Center in Chattanooga, Tennessee, July 16, 2015.

Credit: Tami Chappell/Reuters

Shootings in Chattanooga

In this image made from video and released by WRCB-TV, a person lies on the grass near a makeshift memorial at the scene of a shooting in Chattanooga, Tenn., July 16, 2015.

Credit: Josh Rhoden/WRCB-TV via AP

Shootings in Chattanooga

In this aerial image taken from video, law enforcement personnel work the scene of a shooting at the Navy Operational Support Center and Marine Corps Reserve Center Chattanooga in Chattanooga, Tennessee on July 16, 2015.

Credit: WTVF via AP

Shootings in Chattanooga

Authorities work an active shooting scene on Amincola Highway near the Naval Reserve Center in Chattanooga, Tenn., July 16, 2015.

Credit: WDEF

President Obama

U.S. President Barack Obama pauses as he speaks about the shooting in Chattanooga, Tennessee in the Oval Office of the White House in Washington, D.C. on July 16, 2015.

Obama described the shootings as "heartbreaking" and said that they appeared to be the work of a lone gunman.

Credit: Mandel Ngan/AFP/Getty Images

Shooting in Chattanooga

Bullet holes can be seen in the glass doors at a military recruiting center in Chattanooga, Tennessee, July 16, 2015.

Credit: April Grimmett

Injured police officer dennispedigo

Police Officer Dennis Pedigo was shot in the ankle during the attacks in Chattanooga, Tennessee, but is in stable condition, July 16, 2015.

Credit: CBS

Muhammad Youssef Abdulazeez

This April 2015 booking photo released by the Hamilton County Sheriffs Office shows a man identified as Muhammad Youssef Abdulazeez after he was detained for a driving offense.

Authorities identified the gunman in shootings at two Chattanooga military facilities as Mohammod Youssuf Abdulazeez.

Credit: Hamilton County Sheriffs Office via AP

Shooting in Chattanooga

Police officers enter the Armed Forces Career Center through a bullet-riddled door after a gunman opened fire on the building in Chattanooga, Tenn., July 16, 2015.

Credit: John Bazemore/AP

Shooting in Chattanooga

Members of a SWAT team sit on the back of a vehicle in Hixson, Tenn. after a man unleashed a barrage of gunfire at two military sites a few miles apart in Chattanooga, killing at four Marines, July 16, 2015..

Credit: John Bazemore/AP

Shooting in Chattanooga

Plastic cups mark evidence outside the Armed Forces Career Center after a gunman open fire on the building in Chattanooga, Tenn., July 16, 2015,.

Credit: John Bazemore/AP

Shooting in Chattanooga

A police officer investigates outside the Armed Forces Career Center after a gunman opened fire on the building in Chattanooga, Tenn., July 16, 2015.

Credit: John Bazemore/AP

Shooting in Chattanooga

The glass window of the Armed Forces Career Center is riddled with bullet holes after a gunman opened fire on the building in Chattanooga, Tenn., July 16, 2015.

Credit: John Bazemore/AP

Shooting in Chattanooga

In this image made from video and released by WRCB-TV, authorities work an active shooting scene on Amincola Highway near the Naval Reserve Center in Chattanooga, Tenn. on July 16, 2015.

The surrounding area was placed on lockdown, including Chattanooga State Community College. The Amnicola Highway was also closed as police searched for the gunman.

Credit: WRCB-TV via AP

Shooting in Chattanooga

In this image made from video and released by WRCB-TV, authorities work an active shooting scene on Amincola Highway near the Naval Reserve Center in Chattanooga, Tenn. on July 16, 2015.

Credit: WRCB-TV via AP

Shooting in Chattanooga

In this image made from video and released by WRCB-TV, authorities work an active shooting scene on Amincola Highway near the Naval Reserve Center in Chattanooga, Tenn. on July 16, 2015.